What do you think with the below Picture ?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Can you identify the Oscar-winning movie from the rebus below?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Who always enjoys poor health?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Solve this riddle by finding the odd one out from the rest.